chore(helm): update image monica digest to b4b2cf6 (#36240)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| monica | digest | `0fc7027` -> `b4b2cf6` |

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charts/stable/monica/Chart.yaml

@@ -42,5 +42,5 @@ sources:
   - https://github.com/truecharts/charts/tree/master/charts/stable/monica
   - https://hub.docker.com/_/monica
 type: application
-version: 14.13.7
+version: 14.13.8
 

charts/stable/monica/values.yaml

@@ -1,6 +1,6 @@
 image:
   repository: monica
-  tag: 4.1.2@sha256:0fc7027d4d65c523d34502a99172500e1cdb43c7bf4402630d3b733419bea202
+  tag: 4.1.2@sha256:b4b2cf68fbb4953112bf28aa24be89211abbb8dd26451ac791e7ce26f83724bc
   pullPolicy: IfNotPresent
 service:
   main: